🟠 High | Source: Microsoft Security Response Center
A use-after-free vulnerability (CVE-2026-13038) has been identified in the Autofill component of Chromium, the open-source browser engine underpinning Microsoft Edge. Use-after-free flaws occur when a programme continues to reference memory after it has been freed, potentially allowing an attacker to execute arbitrary code. Microsoft Edge users are affected and should apply the latest browser update as Google Chrome’s upstream fix is being ingested into Edge.
Security Architect’s Take: Ensure Microsoft Edge is updated to the latest version across all managed endpoints and virtual desktop environments, particularly where users access cloud management portals or sensitive web applications. Consider enforcing browser version compliance via Intune or Group Policy to reduce exposure windows when critical Chromium patches are released.
Original advisory: Chromium: CVE-2026-13038 Use after free in Autofill